campus in honoring the police officer, sean collier at a memorial service. our white house correspondent dan lothian continues our team coverage right now. joining us with more on what's going on. so the vice president will be here, there will be several thousand people honoring the police officer, dan. >> that's right, wolf. you remember the president went to boston last week, thursday for that interfaith meeting to honor all of those who had lost their lives in the boston bombing, and it was later that day, in fact, that evening, when officer collier was shot and killed, and so today the vice president and dr. biden will be going to this very public service that will be held there at m.i.t., along with some 10,000 other people expected to be there. the governor of the state. governor deval patrick and senator elizabeth warren. a private funeral service that was held yesterday, massachusetts, but this is a chance for the wider public, law enforcement officials from all across the country to pay tribute to this young officer, senior administration official h